Valve



(No Model.)

T. F. MORRIN.

VALVE.

PatentedJune 14, 1887.

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UNITED STATES PATENT OFFICE.

THOMAS F.- MORRIN, F JERSEY CITY, NEW JERSEY.

VALVE.

SPECIFICATION forming part of Letters Patent No. 364,842, dated June 14,1887.

Application filed October 6, 1886.

To all whom it may concern,.-

Be it known that I, THoMAs F. MoREIN, a citizen of the United States,and a residentof Jersey City, in the county of Hudson and State of NewJersey, have invented certain new and useful Improvements in Valves, ofwhich the following is a specification.

My invention relates to that class of valves usually employed to controlthe flow of steam and water through pipes, and which employ an auxiliaryvalve held up to its seat by a spring in lieu of a stuffing-box forpreventing the escape of the fluid around the valve stem. An example ofthis form or kind of valve willbe found in my Patent No. 347,727, datedAugust 17, 1886.

The object of my present invention is in part to provide a main valveand its accessory parts constructed in an improved manner, whereby themain valve may be reversed or inverted when worn, and whereby thehousing inA which the valve rests may serve as an upward seating valve,as will be explained,

and in part to provide an improved auxiliary valve-seat for the stem,the advantages of which will also be set forth. v

My invention will be hereinafter fully described, and its novel featurescarefullydefined in the-claims.

In the drawings, which serve to illustrate my invention, Figure l is avertical axial sectional elevation of my improved valve, the valve-stemalone being in elevation. Fig. 2 is a view of the lower part of thevalve, showing the main valve raised from its seat and in elevation.Fig. 3 shows the main 'valve detached in plan and edge elevation. Fig. 4shows the auxiliary valve-seat detached and in plan and edge elevation.

I have herein shown my improvements as applied to a globe-valve, but theform of the casing. is not important. My improvements may aswell beapplied to a casing of the form shown in my patent beforereferred to,for example.

A represents the globular valve-casingprd vided with an inlet-pipeconnection, a, and an outlet-pipe connection, b. In the diaphragm of thecasing is formed the usual coned valve-seat, c, and at its upper part isan opening provided with internal screw-threads, into which is screwedan Vauxiliary valve-casing, B, which,

Serial No. 915,433. (No model.)

for convenience, I will call the upper casing. On the Areduced upperportion of the upper casing, B, is screw-ed the bonnet C, and betweenthe bonnet and the upper casing is clamped a flange, d, formed on theauxiliary valve-seat D. The form of this Valve-seat is clearly shown inFigs. l and 4. Its body d is cylindrical exteriorly and fits snugly inthe cylindrical bore in the upper part of the oasing B, its `projecting`flange d resting on the upper margin of said casing. Interiorly thisvalve-seat D is coned out at its' lower part to receive and fit theconed auxiliary valve E, formed on the valve-stem F, while at its upperYpart it has a cylindrical bore which snugly fits said cylindrical stem.The bonnet C has an internal flange, c, which lits around the valve stemF, and is faced off on its under side,where it rests on the top of theauxiliary valve-seat D. In the hollow of the bonnet C, and embracing thevalve-stem, is arranged a spiral spring, G, which is seated on thebottom flange, e, of the bonnet and abuts at its upper end against awasher, H, mounted loosely on the valve-stem F and arranged to play in arecess, f, in the upper part of' the bonnet. The upper part of thevalvestem F has a square, g, on which is fitted the operating hand-wheelI, the nut h securing said wheel in place. It will beseen that thespring G tends at all times to keep the auxiliary coned valvc E drawn upto the coned valveseat D, while the playof the washer II in the recess fin bonnet C permits of any ex pansionv or contraction of the valvestemlongitudlnally without disturbance of the valve E. The clamping oftheflange d of the soft-metal valveseat D between the faced surfaces ofthe'casing B and bonnet G also prevents any leakage around said seat.The lower end, F', of the valve-stem is squared and fits somewhatloosely in the screw-threaded shank J of the main valve, thescrew-threads on said shank engaging an internal or female screw in theupper casing, B, in a well-known way. Rotation of the valve-stem Fcauses the sha/nk J to move up or down (as the case may be) precisely asshown in my former patent, and as may be seen in other well-knownvalves. On the lower end of shank J is formed astud, fi, which passesthrough a hole, j, in Fig. 3, in the main reversible valve K, the saidvalve being held in IOC place on stud t' by a nut, lc, which screws onthe end of same up to a shoulder. `The valve K is beveled or eoned at ZZ in Fig. 3 on both of its faces, these cones being made to fit that ofvalve-seat c. On the shank J is formed a housing, m, beveled on itslower face to take over and flt the upper bevel or cone, Z, on thevalve. I usually mount the valve somewhat loosely on the stud 1', sothat it may the better adapt or adj ust itself to the valveseat c. Onthe upper margin of the housing m, I form a bevel, n, which gives to thesaid housing the character of a coned valve, and on the lower projectingend of the upper casing, B, I form acorrespondingly eoned val ve-seat,o. \Vh'en the main valve K is raised to its fullest extent, as seen inFig. 2, this valve u seats itself on seat o and prevents any passage ofthe steam or other lluid from casing A to easing B. XVhen the paris arein this position, namely, as seen in Fig. 2, the bonnet, spring,valvestem, and auxiliary valve-seat D may be removed for inspectionwhile the steam is on. It will be observed here that the valve seat Dbeing readily removable, .the valve-stem may also be removed withoutdisturbing the casing B. This cannot be done when the valve is constructed as shown in my former patent.

I do not herein broadly claim providing the stem with a eoned valve heldup to its seat by a spring, for this is not new in valves; nor do Iclaim, broadly, a removable valve-seat for the valve ou the stem; northe main valve Ii, constructed with two eoned faces; nor, broadly, theseating of the valve upwardly, so as to eut off the access of steam fromthe mainsvalve chamber to the bonnet. All of these features have beenbefore proposed in some form; but my construction and arrangement differmaterially from these.

Having thus described my invention, I elaiml. The combination, with thevalve-casing provided with a eoned valve-seat, o, and the shank J,provided with a housing, m, beveled or eoned on its upper side to form avalve, a, and on its lower side to fit the eone Z of the main valve, andwith a stud, i, and nut 7c, and the main valve K, eoned on both faces,substantially as set forth.

2. The combination, with the upper easing, B, provided with a femalescrew to receive shank J, and a eoned valve-seat, o, at its lower end,the said shank J provided with a eoned valve, m, to seat on seat o, anda socket to receive the valve-stem, the valve-stem F, pro vided with asquare, F', and a eoned valve, E, the removable valve-.seat D, toreceive the valve E, the relnovable bonnet, and the 'spring G, allarranged substantially as set forth,r whereby when valve m is seated thevalvestem, seat D, spring, and bonnet may be removed. In witness whereofI have hereunto signed my name in the presence of two subscribingwitnesses.

- THOMAS F. MORRIN. Vitnesses:

HENRY CoNNn'rT, F. D. CAPLINGER.

